540551957173 has 4 divisors (see below), whose sum is σ = 540745636768. Its totient is φ = 540358277580.

The previous prime is 540551957159. The next prime is 540551957203. The reversal of 540551957173 is 371759155045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540551957173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540551957173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540551957273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96835611 + ... + 96841192.

It is an arithmetic number, because the mean of its divisors is an integer number (135186409192).

Almost surely, 2^540551957173 is an apocalyptic number.

It is an amenable number.

540551957173 is a deficient number, since it is larger than the sum of its proper divisors (193679595).

540551957173 is a wasteful number, since it uses less digits than its factorization.

540551957173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193679594.

The product of its (nonzero) digits is 3307500, while the sum is 52.

The spelling of 540551957173 in words is "five hundred forty billion, five hundred fifty-one million, nine hundred fifty-seven thousand, one hundred seventy-three".